The Variation of Animals and Plants under Domestication · Charles Darwin
DORMOUSE, 18.
DOUBLE flowers, 18 (4); —produced by selection, 20. DOUBLEDAY, H., cultivation of the filbert pine strawberry, 10. DOUGLAS, J., crossing of white and black game-fowls, 15. DOWNING, Mr., wild varieties of the hickory, 9; —peaches and nectarines from seed, 10 (2); —origin of the Boston nectarine, 10; —American varieties of the peach, 10; —North American apricot, 10; —varieties of the plum, 10; —origin and varieties of the cherry, 10 (2); —“twin-cluster pippins,” 10; —varieties of the apple, 10; —on strawberries, 10 (2); —fruit of the wild gooseberry, 10; —effects of grafting upon the seed, 12; —diseases of plum and peach tree, 21; —injury done to stone fruit in America by the “weevil,” 21; —grafts of the plum and peach, 22; —wild varieties of pears, 22; —varieties of fruit-trees suitable to different climates, 24. DOWNING, Mr. J., sterility of shorthorns, 17. _Draba sylvestris_ 18. DRAGON (pigeon), 5 (2). “DRAIJER” (pigeon), 5. DRINKING, effects of, in different climates, 23. DROMEDARY, selection of, 20. DRUCE, Mr., interbreeding, 17; —value of cross breed of pigs, 17. DU CHAILLU, fruit-trees in West Africa, 9. DUCHESNE, on _Fragaria vesca,_ 10 (2). DUFOUR, LEON, on _Cecidomyia_ and _Misocampus,_ Introduction. DUCK, musk, retention of perching habit by the, 6; —feral hybrid of, 6. DUCK, penguin, hybrid of, with Egyptian goose, 14. Duck, wild, difficulty of rearing, 21; —effects of domestication on, 23.
Text from Project Gutenberg, public domain in the United States.